River Phoenix
Wolfgang Müller
Jason Presson
Darren Woods
Amanda Peterson
Lori Swenson
Bradley Gregg
Steve Jackson's Gang
Georg Olden
Steve Jackson's Gang
Chance Schwass
Steve Jackson's Gang
Danny Nucci
Nasty Kid at School
Taliesin Jaffe
Ludwig Müller
Brooke Bundy
Science Teacher
Tricia Bartholome
Girl in Classroom
Eric Luke
Darren's Teacher
Robert Picardo
Starkiller / Wak / Wak and Neek's Father
Karen Mayo-Chandler
Starkiller's Girlfriend
Robert F. Boyle
Starkiller's Girlfriend's Father
John P. Navin, Jr.
Couple at Drive-In
Mary Hillstead
Couple at Drive-In
Simone Blue
Snack Bar Girl
Meshach Taylor
Gordon Miller
Mary Kay Place
Mrs. Crandall (uncredited)